* {
  margin: 0;
  padding: 0;
}

body {
  background: linear-gradient(rgb(50, 220, 135), rgb(113, 143, 226));
  font-family: '微软雅黑', sans-serif;
  font-size: 16px;
  position: relative;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
}

.item {
  width: 200px;
  height: 200px;
  line-height: 30px;
  border-bottom-left-radius: 20px 500px;
  border-bottom-right-radius: 500px 30px;
  border-top-right-radius: 5px 100px;
  box-shadow: 0 2px 10px 1px rgba(0, 0, 0, 0.2);
}

#container p {
  margin: 10px;
  overflow: hidden;
  word-wrap: break-word;
  line-height: 1.5;
}

#container a {
  text-decoration: none;
  position: absolute;
  left: 150px;
  bottom: 18px;
  color: red;
  font-size: 14px;
}

.input, .submit {
  border: 0;
  border-radius: 5px;
  display: block;
  height: 30px;
  padding: 0 20px;
  line-height: 30px;
  width: 300px;
  margin: 10px auto;
  font-size: 20px;
  box-sizing: border-box;
}